Will the filled form look right in Adobe Reader?
Yes. The answers are written into the fields together with their visible appearance, so Reader, Preview, Chrome, and phones all show them.
FILL FORM
Open a fillable PDF form and every field appears here as a normal input: type your answers, tick the boxes, pick from the lists, and save a filled copy. Flatten it when it is final.
Loading the PDF tools.
About Fill PDF form
How Can You Verify That Your Files Never Leave This Browser?
You do not have to take our word for it. Browser developer tools list every request a page makes, so you can watch 2pdf work and confirm that your document is never sent anywhere. The check takes about a minute.
- Open your browser developer tools with
F12, orCmd+Option+Ion a Mac, and select the Network tab. - Reload the page and let it finish. You will see the page's own files, its web fonts, the PDF engine, and one anonymous page-view request. No file has been chosen yet, so none of them can contain your document.
- Click the clear icon in the Network tab so that the log is empty.
- Choose a PDF in the Fill PDF form tool above and press its button, then save the result.
- Look at the Network tab again. It is still empty, or it shows only files fetched from 2pdf.app itself, such as a standard font or an image decoder the PDF engine needed to draw a page. Click any of them: each one is a request for a file, and none carries your document. For extra proof, turn on offline mode after the page loads and the tools keep working.
Your file is read into this tab's memory with the browser's own file reader, processed by code that is already on the page, and handed back to you as a download. It is never uploaded, never stored in the browser, and gone when you close the tab. The only other request the site can make is the feedback form, and only when you submit it.
The production site also sends a Content-Security-Policy header that tells your browser to refuse connections to anywhere except this site and the anonymous analytics endpoint, so even a bug could not send a file elsewhere.
Which Forms Can Be Filled Here?
Standard fillable PDF forms, the kind made with Acrobat, Word, LibreOffice, and most form builders. These are called AcroForms, and almost every government, school, and HR form you download is one.
- Text fields, including multi-line fields and fields with a character limit.
- Checkboxes and radio-button groups.
- Dropdown menus and list boxes, including lists that allow several choices.
Read-only fields are shown but cannot be changed. Signature fields are left as they are, because 2pdf does not sign documents.
What Does Flatten Mean, and When Should You Use It?
A filled form keeps its fields, so anyone who opens it can change the answers. Flattening draws the answers onto the page and removes the fields, so the result looks the same but can no longer be edited. Flatten the copy you send or submit; keep an unflattened copy if you might need to change an answer later.
Why Might a Form Show No Fields?
- It is a flat form: a printed-style PDF with boxes drawn on it but no real fields. Those need text placed on the page, which this tool does not do.
- It is an XFA form, made with the old Adobe LiveCycle Designer. Only Adobe Acrobat and Reader can fill those.
- It is password-protected. Encrypted PDFs cannot be filled here; remove the protection first.
Which Characters Can You Type?
Answers are written with the standard PDF font every reader has built in, which covers English and Western European letters, accents, and common symbols. If you type a character it cannot show, such as Chinese, Arabic, or an emoji, the tool tells you which field has the problem instead of saving a broken form.
What Else Can You Do With a PDF Here?
- Merge PDF: Combine PDFs, JPG and PNG images, and text files into one PDF, in the order you choose.
- Split PDF: Extract a page range, or cut a PDF into single pages, fixed-size parts, or your own ranges.
- Organize PDF pages: See every page as a thumbnail, then reorder, rotate, delete, or insert blank pages.
- Rotate PDF: Rotate every page or just the pages you list by 90, 180, or 270 degrees, losslessly.
- PDF metadata editor: View and edit title, author, subject, keywords, and dates, or strip all document metadata.
- Images to PDF: Turn JPG, PNG, WebP, GIF, or BMP images into one PDF, with Letter, A4, or fit-to-image pages.
- PDF to images: Render PDF pages to PNG or JPG images at the resolution you pick, one image per page.
- Extract text from PDF: Pull the text out of a PDF page by page, then copy it or save it as a plain .txt file.
All nine tools are on the 2pdf home page. Part of the 2suite.io privacy-first ecosystem.
Frequently Asked Questions
Is my information sent anywhere?
No. What you type stays in this tab and goes only into the file you download. No analytics event is attached to any field.
Can I fill a form and then add a signature?
Not here. Fill and save the form, then sign it in your usual PDF reader or signing service.
Why do the field names look technical?
They are the names the form's author gave each field. The list is in the form's own order, which usually follows the page.